 CalSTRS and CalPERS constitute the largest public pension funds in the United States.Due to the controversies surrounding mass incarceration of immigrants in private for-profit detention centers, several banks, including Bank of America, Wells Fargo and JPMorgan Chase, announced they would no longer offer $2.4 billion lines of credit and term loans to GEO Group and CoreCivic.On August 18, 2016, Deputy U.S. Attorney General Sally Yates announced that the Justice Department intended to end its Bureau of Prisons contracts with for-profit prison operators, because it concluded "...the facilities are both less safe and less effective at providing correctional services..." than the Federal Bureau of Prisons.